Commit 2b16dcc7 authored by Wojciech Malikowski's avatar Wojciech Malikowski Committed by Jim Harris
Browse files

lib/bdev: Added spdk_bdev_zone_management() 



spdk_bdev_zone_management() allows to perform
management action on a zone. Zone is specified
by start logical block address. Available zone
actions: open, close, reset and finish.

Change-Id: Ie7eaed3e2cc7b9b49dd51ee2d6c28b4ef2f23eb9
Signed-off-by: default avatarWojciech Malikowski <wojciech.malikowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/460647


Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 02cabd9e

include/spdk/bdev.h

+1 −0
Original line number Diff line number Diff line
@@ -127,6 +127,7 @@ enum spdk_bdev_io_type { 
	SPDK_BDEV_IO_TYPE_WRITE_ZEROES,

	SPDK_BDEV_IO_TYPE_ZCOPY,

	SPDK_BDEV_IO_TYPE_GET_ZONE_INFO,

	SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT,

	SPDK_BDEV_NUM_IO_TYPES /* Keep last */

};

include/spdk/bdev_module.h

+3 −0
Original line number Diff line number Diff line
@@ -520,6 +520,9 @@ struct spdk_bdev_io { 
			/* Number of zones */

			uint32_t num_zones;



			/* Used to change zoned device zone state */

			enum spdk_bdev_zone_action zone_action;



			/* The data buffer */

			void *buf;

		} zone_mgmt;

include/spdk/bdev_zone.h

+29 −0
Original line number Diff line number Diff line
@@ -49,6 +49,13 @@ 


struct spdk_bdev;



enum spdk_bdev_zone_action {

	SPDK_BDEV_ZONE_CLOSE,

	SPDK_BDEV_ZONE_FINISH,

	SPDK_BDEV_ZONE_OPEN,

	SPDK_BDEV_ZONE_RESET

};



enum spdk_bdev_zone_state {

	SPDK_BDEV_ZONE_STATE_EMPTY,

	SPDK_BDEV_ZONE_STATE_OPEN,
@@ -113,4 +120,26 @@ int spdk_bdev_get_zone_info(struct spdk_bdev_desc *desc, struct spdk_io_channel 
			    uint64_t zone_id, size_t num_zones, struct spdk_bdev_zone_info *info,

			    spdk_bdev_io_completion_cb cb, void *cb_arg);





/**

 * Submit a zone_management request to the bdev.

 *

 * \ingroup bdev_io_submit_functions

 *

 * \param desc Block device descriptor.

 * \param ch I/O channel. Obtained by calling spdk_bdev_get_io_channel().

 * \param zone_id First logical block of a zone.

 * \param action Action to perform on a zone (open, close, reset, finish).

 * \param cb Called when the request is complete.

 * \param cb_arg Argument passed to cb.

 *

 * \return 0 on success. On success, the callback will always

 * be called (even if the request ultimately failed). Return

 * negated errno on failure, in which case the callback will not be called.

 *   * -ENOMEM - spdk_bdev_io buffer cannot be allocated

 */

int spdk_bdev_zone_management(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,

			      uint64_t zone_id, enum spdk_bdev_zone_action action,

			      spdk_bdev_io_completion_cb cb, void *cb_arg);



#endif /* SPDK_BDEV_ZONE_H */

lib/bdev/bdev_zone.c

+26 −0
Original line number Diff line number Diff line
@@ -81,3 +81,29 @@ spdk_bdev_get_zone_info(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch, 
	spdk_bdev_io_submit(bdev_io);

	return 0;

}



int

spdk_bdev_zone_management(struct spdk_bdev_desc *desc, struct spdk_io_channel *ch,

			  uint64_t zone_id, enum spdk_bdev_zone_action action,

			  spdk_bdev_io_completion_cb cb, void *cb_arg)

{

	struct spdk_bdev *bdev = spdk_bdev_desc_get_bdev(desc);

	struct spdk_bdev_io *bdev_io;

	struct spdk_bdev_channel *channel = spdk_io_channel_get_ctx(ch);



	bdev_io = spdk_bdev_get_io(channel);

	if (!bdev_io) {

		return -ENOMEM;

	}



	bdev_io->internal.ch = channel;

	bdev_io->internal.desc = desc;

	bdev_io->type = SPDK_BDEV_IO_TYPE_ZONE_MANAGEMENT;

	bdev_io->u.zone_mgmt.zone_action = action;

	bdev_io->u.zone_mgmt.zone_id = zone_id;

	bdev_io->u.zone_mgmt.num_zones = 1;

	spdk_bdev_io_init(bdev_io, bdev, cb_arg, cb);



	spdk_bdev_io_submit(bdev_io);

	return 0;

}